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Finding the Fourth Proportional to 32,990.44, 45,521.04 and 19,564.99

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Solution

The fourth proportional to 32,990.44, 45,521.04 and 19,564.99 is: 26,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.44 : 45,521.04 = 19,564.99 : x
  2. Step 2: Convert to fraction form
    32,990.44/45,521.04 = 19,564.99/x
  3. Step 3: Cross multiply
    32,990.44x = 45,521.04 × 19,564.99
  4. Step 4: Simplify right side
    32,990.44x = 890,618,797.96
  5. Step 5: Solve for x
    x = 890,618,797.96/32,990.44
  6. Step 6: Final answer
    x = 26,996.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.